Simple security for Flask apps (Python 3)

 Flask-Security allows you to quickly add common security mechanisms
 to your Flask application. They include:
 .
   * Session based authentication
   * Role management
   * Password encryption
   * Basic HTTP authentication
   * Token based authentication
   * Token based account activation (optional)
   * Token based password recovery / resetting (optional)
   * User registration (optional)
   * Login tracking (optional)
   * JSON/Ajax Support
 .
 This is the Python 3 version of the package.